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Clamping or jaw actuation
All three base jaws are centrically driven by a piston with a collar.
The force is transmitted on the two-sided, extended and self-
locking (10° wedge slant standard) wedge hook or base jaw. The
clamping forces are absorbed by the diameter of the piston collar
and braced against by the chuck body. Both sides of a piston cover
screwed onto the piston neck for clamping and unclamping are
pressurized, thus causing the piston cover to trigger the axial
motion of the piston.
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